<!DOCTYPE html>
<html lang='en'>

<head>
    <meta charset='UTF-8'>
    <meta http-equiv='X-UA-Compatible' content='IE=edge'>
    <meta name='viewport' content='width=device-width, initial-scale=1.0'>
    <title>Document</title>
    <script src='../vue.global.js'></script>
</head>

<body>
    <div id='app'>
        <!-- 阻止事件的默认行为 -->
        <form v-on:submit.prevent="onSubmit" action="https://www.baidu.com">
            <input type="text">
            <button>提交</button>
        </form>
    </div>
    <script>
        const app = Vue.createApp({
            data() {
                return {
                    count: 0
                }
            },
            methods: {
                onSubmit(e) {
                    // e.preventDefault()
                    console.log("onSubmit");
                }
            }
        })
        const vm = app.mount('#app')
    </script>
</body>

</html>